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<a name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2009 Robert "kebernet" Cooper</em>
<a name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a name="4" href="#4">4</a>   <em class="jxr_comment"> * This library is free software; you can redistribute it and/or</em>
<a name="5" href="#5">5</a>   <em class="jxr_comment"> * modify it under the terms of the GNU Lesser General Public</em>
<a name="6" href="#6">6</a>   <em class="jxr_comment"> * License as published by the Free Software Foundation; either</em>
<a name="7" href="#7">7</a>   <em class="jxr_comment"> * version 2.1 of the License, or (at your option) any later version.</em>
<a name="8" href="#8">8</a>   <em class="jxr_comment"> *</em>
<a name="9" href="#9">9</a>   <em class="jxr_comment"> * This library is distributed in the hope that it will be useful,</em>
<a name="10" href="#10">10</a>  <em class="jxr_comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</em>
<a name="11" href="#11">11</a>  <em class="jxr_comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU</em>
<a name="12" href="#12">12</a>  <em class="jxr_comment"> * Lesser General Public License for more details.</em>
<a name="13" href="#13">13</a>  <em class="jxr_comment"> *</em>
<a name="14" href="#14">14</a>  <em class="jxr_comment"> * You should have received a copy of the GNU Lesser General Public</em>
<a name="15" href="#15">15</a>  <em class="jxr_comment"> * License along with this library; if not, write to the Free Software</em>
<a name="16" href="#16">16</a>  <em class="jxr_comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA</em>
<a name="17" href="#17">17</a>  <em class="jxr_comment"> */</em>
<a name="18" href="#18">18</a>  <strong class="jxr_keyword">package</strong> com.totsp.gwittir.client.util;
<a name="19" href="#19">19</a>  
<a name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> java.util.HashMap;
<a name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> java.util.Map;
<a name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> java.util.Set;
<a name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> java.util.Map.Entry;
<a name="24" href="#24">24</a>  
<a name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> com.google.gwt.user.client.History;
<a name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.log.Level;
<a name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> com.totsp.gwittir.client.log.Logger;
<a name="28" href="#28">28</a>  
<a name="29" href="#29">29</a>  
<a name="30" href="#30">30</a>  <em class="jxr_javadoccomment">/**</em>
<a name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> *</em>
<a name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> * @author kebernet</em>
<a name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> */</em>
<a name="34" href="#34">34</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../../com/totsp/gwittir/client/util/HistoryTokenizer.html">HistoryTokenizer</a> {
<a name="35" href="#35">35</a>      <strong class="jxr_keyword">private</strong> Map&lt;String, String&gt; tokens = <strong class="jxr_keyword">new</strong> HashMap&lt;String, String&gt;();
<a name="36" href="#36">36</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">boolean</strong> isInTransaction = false;
<a name="37" href="#37">37</a>  
<a name="38" href="#38">38</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../com/totsp/gwittir/client/util/HistoryTokenizer.html">HistoryTokenizer</a>() {
<a name="39" href="#39">39</a>          <strong class="jxr_keyword">this</strong>(History.getToken());
<a name="40" href="#40">40</a>      }
<a name="41" href="#41">41</a>      
<a name="42" href="#42">42</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../com/totsp/gwittir/client/util/HistoryTokenizer.html">HistoryTokenizer</a>(Map&lt;String, String&gt; tokens){
<a name="43" href="#43">43</a>      	<strong class="jxr_keyword">this</strong>.tokens = tokens;
<a name="44" href="#44">44</a>      }
<a name="45" href="#45">45</a>  
<a name="46" href="#46">46</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../../com/totsp/gwittir/client/util/HistoryTokenizer.html">HistoryTokenizer</a>(String anchor) {
<a name="47" href="#47">47</a>          <strong class="jxr_keyword">if</strong> (anchor != <strong class="jxr_keyword">null</strong> &amp;&amp; anchor.trim().length() &gt; 0) {
<a name="48" href="#48">48</a>              String[] values = anchor.split(<span class="jxr_string">"&amp;"</span>);
<a name="49" href="#49">49</a>              
<a name="50" href="#50">50</a>              <strong class="jxr_keyword">for</strong> (String value : values) {
<a name="51" href="#51">51</a>                  String[] nameVal = value.split(<span class="jxr_string">"="</span>);
<a name="52" href="#52">52</a>  
<a name="53" href="#53">53</a>                  <strong class="jxr_keyword">if</strong> ((nameVal.length == 1) &amp;&amp; (nameVal[0].length() &gt; 0)) {
<a name="54" href="#54">54</a>                      tokens.put(nameVal[0], <span class="jxr_string">""</span>);
<a name="55" href="#55">55</a>                  } <strong class="jxr_keyword">else</strong> {
<a name="56" href="#56">56</a>                      tokens.put(nameVal[0].replaceAll(<span class="jxr_string">"u!038;"</span>, <span class="jxr_string">"&amp;"</span>)
<a name="57" href="#57">57</a>                                           .replaceAll(<span class="jxr_string">"u!061;"</span>, <span class="jxr_string">"="</span>),
<a name="58" href="#58">58</a>                          nameVal[1].replaceAll(<span class="jxr_string">"u!038;"</span>, <span class="jxr_string">"&amp;"</span>)
<a name="59" href="#59">59</a>                                    .replaceAll(<span class="jxr_string">"u!061;"</span>, <span class="jxr_string">"="</span>));
<a name="60" href="#60">60</a>                  }
<a name="61" href="#61">61</a>              }
<a name="62" href="#62">62</a>          }
<a name="63" href="#63">63</a>      }
<a name="64" href="#64">64</a>  
<a name="65" href="#65">65</a>      <strong class="jxr_keyword">public</strong> Map&lt;String, String&gt; getTokensMap(){
<a name="66" href="#66">66</a>      	<strong class="jxr_keyword">return</strong> tokens;
<a name="67" href="#67">67</a>      }
<a name="68" href="#68">68</a>      
<a name="69" href="#69">69</a>      <strong class="jxr_keyword">public</strong> Set&lt;Entry&lt;String, String&gt;&gt; getEntries() {
<a name="70" href="#70">70</a>          <strong class="jxr_keyword">return</strong> tokens.entrySet();
<a name="71" href="#71">71</a>      }
<a name="72" href="#72">72</a>  
<a name="73" href="#73">73</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setToken(String token, String value) {
<a name="74" href="#74">74</a>          <strong class="jxr_keyword">this</strong>.tokens.put(token, value);
<a name="75" href="#75">75</a>  
<a name="76" href="#76">76</a>          <strong class="jxr_keyword">if</strong> (!<strong class="jxr_keyword">this</strong>.isInTransaction) {
<a name="77" href="#77">77</a>              <strong class="jxr_keyword">this</strong>.store();
<a name="78" href="#78">78</a>          }
<a name="79" href="#79">79</a>      }
<a name="80" href="#80">80</a>  
<a name="81" href="#81">81</a>      <strong class="jxr_keyword">public</strong> String getToken(String token) {
<a name="82" href="#82">82</a>          <strong class="jxr_keyword">return</strong> tokens.get(token);
<a name="83" href="#83">83</a>      }
<a name="84" href="#84">84</a>  
<a name="85" href="#85">85</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> begin() {
<a name="86" href="#86">86</a>          <strong class="jxr_keyword">this</strong>.isInTransaction = <strong class="jxr_keyword">true</strong>;
<a name="87" href="#87">87</a>      }
<a name="88" href="#88">88</a>  
<a name="89" href="#89">89</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> commit() {
<a name="90" href="#90">90</a>          <strong class="jxr_keyword">this</strong>.isInTransaction = false;
<a name="91" href="#91">91</a>          <strong class="jxr_keyword">this</strong>.store();
<a name="92" href="#92">92</a>      }
<a name="93" href="#93">93</a>  
<a name="94" href="#94">94</a>      @Override
<a name="95" href="#95">95</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> equals(Object obj) {
<a name="96" href="#96">96</a>          <strong class="jxr_keyword">if</strong> (obj == <strong class="jxr_keyword">null</strong>) {
<a name="97" href="#97">97</a>              <strong class="jxr_keyword">return</strong> false;
<a name="98" href="#98">98</a>          }
<a name="99" href="#99">99</a>  
<a name="100" href="#100">100</a>         <strong class="jxr_keyword">if</strong> (getClass() != obj.getClass()) {
<a name="101" href="#101">101</a>             <strong class="jxr_keyword">return</strong> false;
<a name="102" href="#102">102</a>         }
<a name="103" href="#103">103</a> 
<a name="104" href="#104">104</a>         <strong class="jxr_keyword">final</strong> <a href="../../../../../com/totsp/gwittir/client/util/HistoryTokenizer.html">HistoryTokenizer</a> other = (HistoryTokenizer) obj;
<a name="105" href="#105">105</a> 
<a name="106" href="#106">106</a>         <strong class="jxr_keyword">if</strong> ((<strong class="jxr_keyword">this</strong>.tokens != other.tokens) &amp;&amp;
<a name="107" href="#107">107</a>                 ((<strong class="jxr_keyword">this</strong>.tokens == <strong class="jxr_keyword">null</strong>) || !<strong class="jxr_keyword">this</strong>.tokens.equals(other.tokens))) {
<a name="108" href="#108">108</a>             <strong class="jxr_keyword">return</strong> false;
<a name="109" href="#109">109</a>         }
<a name="110" href="#110">110</a> 
<a name="111" href="#111">111</a>         <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a name="112" href="#112">112</a>     }
<a name="113" href="#113">113</a> 
<a name="114" href="#114">114</a>     @Override
<a name="115" href="#115">115</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> hashCode() {
<a name="116" href="#116">116</a>         <strong class="jxr_keyword">int</strong> hash = 3;
<a name="117" href="#117">117</a>         hash = (97 * hash) +
<a name="118" href="#118">118</a>             ((<strong class="jxr_keyword">this</strong>.tokens != <strong class="jxr_keyword">null</strong>) ? <strong class="jxr_keyword">this</strong>.tokens.hashCode() : 0);
<a name="119" href="#119">119</a> 
<a name="120" href="#120">120</a>         <strong class="jxr_keyword">return</strong> hash;
<a name="121" href="#121">121</a>     }
<a name="122" href="#122">122</a> 
<a name="123" href="#123">123</a>     <strong class="jxr_keyword">public</strong> String tokenize() {
<a name="124" href="#124">124</a>         StringBuilder sb = <strong class="jxr_keyword">new</strong> StringBuilder();
<a name="125" href="#125">125</a> 
<a name="126" href="#126">126</a>         <strong class="jxr_keyword">for</strong> (Entry&lt;String, String&gt; entry : <strong class="jxr_keyword">this</strong>.tokens.entrySet()) {
<a name="127" href="#127">127</a>             sb = sb.append(entry.getKey().replaceAll(<span class="jxr_string">"&amp;"</span>, <span class="jxr_string">"u!038;"</span>)
<a name="128" href="#128">128</a>                                 .replaceAll(<span class="jxr_string">"="</span>, <span class="jxr_string">"u!061;"</span>));
<a name="129" href="#129">129</a> 
<a name="130" href="#130">130</a>             <strong class="jxr_keyword">if</strong> (entry.getValue().length() &gt; 0) {
<a name="131" href="#131">131</a>                 sb = sb.append(<span class="jxr_string">"="</span>)
<a name="132" href="#132">132</a>                        .append(entry.getValue().replaceAll(<span class="jxr_string">"&amp;"</span>, <span class="jxr_string">"u!038;"</span>)
<a name="133" href="#133">133</a>                                     .replaceAll(<span class="jxr_string">"="</span>, <span class="jxr_string">"u!061;"</span>));
<a name="134" href="#134">134</a>             }
<a name="135" href="#135">135</a> 
<a name="136" href="#136">136</a>             sb = sb.append(<span class="jxr_string">"&amp;"</span>);
<a name="137" href="#137">137</a>         }
<a name="138" href="#138">138</a> 
<a name="139" href="#139">139</a>         <strong class="jxr_keyword">return</strong> sb.toString();
<a name="140" href="#140">140</a>     }
<a name="141" href="#141">141</a> 
<a name="142" href="#142">142</a>     <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> store() {
<a name="143" href="#143">143</a>         History.newItem(<strong class="jxr_keyword">this</strong>.tokenize());
<a name="144" href="#144">144</a>     }
<a name="145" href="#145">145</a> }
</pre>
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